I have tried just about everything I believe. change from SSH to HTTPS, making sure to commit, I have been search for hours and still to no avail after trying everything. My terminal output is below. I am sure it is a simple fix because my friend has successfully created a repo in GitHub and pushed to it on my device, but I do not remember what she did differently, and alas, I am no longer in contact with her.
$ git init
Reinitialized existing Git repository in
/home/alexander/Dropbox/projects/GroupProject/.git/
$ git add .
$ git commit -m "second test"
On branch master
nothing to commit, working directory clean
$ git push -u origin master:master
ERROR: Repository not found.
fatal: Could not read from remote repository.
Please make sure you have the correct access rights
and the repository exists.